DE69940689D1 - PENDULUM CLOCK AND METHOD FOR MODIFYING A PENDULUM CLOCK - Google Patents

PENDULUM CLOCK AND METHOD FOR MODIFYING A PENDULUM CLOCK

Info

Publication number
DE69940689D1
DE69940689D1 DE69940689T DE69940689T DE69940689D1 DE 69940689 D1 DE69940689 D1 DE 69940689D1 DE 69940689 T DE69940689 T DE 69940689T DE 69940689 T DE69940689 T DE 69940689T DE 69940689 D1 DE69940689 D1 DE 69940689D1
Authority
DE
Germany
Prior art keywords
pendulum
clock
pendulum clock
modifying
arrested
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE69940689T
Other languages
German (de)
Inventor
Melgert Spaander
Menno Bart Hoencamp
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of DE69940689D1 publication Critical patent/DE69940689D1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
    • G04C3/02—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a pendulum
    • G04C3/024—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a pendulum using other coupling means, e.g. electrostrictive, magnetostrictive
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C1/00—Winding mechanical clocks electrically
    • G04C1/04—Winding mechanical clocks electrically by electric motors with rotating or with reciprocating movement
    • G04C1/08—Winding mechanical clocks electrically by electric motors with rotating or with reciprocating movement raising weights
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C11/00—Synchronisation of independently-driven clocks
    • G04C11/08—Synchronisation of independently-driven clocks using an electro-magnet or-motor for oscillation correction
    • G04C11/081—Synchronisation of independently-driven clocks using an electro-magnet or-motor for oscillation correction using an electro-magnet
    • G04C11/084—Synchronisation of independently-driven clocks using an electro-magnet or-motor for oscillation correction using an electro-magnet acting on the balance

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transmission Devices (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Electromechanical Clocks (AREA)
  • Television Systems (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
  • Control Of Stepping Motors (AREA)
  • Mushroom Cultivation (AREA)

Abstract

Method for modernizing a pendulum clock, by which the original character of the clock is maintained. For that purpose a control unit is added, together with a reference clock, a pneumatically driven cylinder and arresting means for arresting the pendulum. The pendulum clock is adjusted such that it runs slightly fast. Periodically, for example every hour, the pendulum is arrested up to the moment that the pendulum clock is in time with the reference clock. While the pendulum is arrested, the pendulum clock is wound up by the cylinder.
DE69940689T 1998-02-21 1999-02-12 PENDULUM CLOCK AND METHOD FOR MODIFYING A PENDULUM CLOCK Expired - Lifetime DE69940689D1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NL1008384 1998-02-21
NL1008595A NL1008595C2 (en) 1998-02-21 1998-03-14 Pendulum clock and method for modifying a pendulum clock.
PCT/NL1999/000073 WO1999042909A1 (en) 1998-02-21 1999-02-12 Pendulum clock and method for the modification of a pendulum clock

Publications (1)

Publication Number Publication Date
DE69940689D1 true DE69940689D1 (en) 2009-05-20

Family

ID=26642752

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69940689T Expired - Lifetime DE69940689D1 (en) 1998-02-21 1999-02-12 PENDULUM CLOCK AND METHOD FOR MODIFYING A PENDULUM CLOCK

Country Status (6)

Country Link
EP (1) EP1036350B1 (en)
AT (1) ATE428132T1 (en)
AU (1) AU2551999A (en)
DE (1) DE69940689D1 (en)
NL (1) NL1008595C2 (en)
WO (1) WO1999042909A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2822970B1 (en) * 2001-03-29 2003-06-27 Michel Bourreau METHOD FOR DRIVING A WATCHMAKING MECHANISM

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB670972A (en) * 1949-01-28 1952-04-30 Mains Time Company Ltd Improvements in synchronous-motor driven electric clocks
JPS576382A (en) * 1980-06-14 1982-01-13 Rhythm Watch Co Ltd Analog electronic watch with summer time function
DE9406358U1 (en) * 1994-04-16 1994-06-30 Otto Joachim Elevator device for mechanical clockworks of large clocks
DE29618222U1 (en) * 1996-10-21 1997-02-20 Ferner Klaus Dipl Ing Retrofittable device for the automatic operation of mechanical movements

Also Published As

Publication number Publication date
AU2551999A (en) 1999-09-06
WO1999042909A1 (en) 1999-08-26
EP1036350A1 (en) 2000-09-20
NL1008595C2 (en) 2000-07-13
EP1036350B1 (en) 2009-04-08
NL1008595A1 (en) 1998-09-14
ATE428132T1 (en) 2009-04-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition